Based on the options provided, the statement that should guide the company's decision-making regarding a secure collaboration network for its employees is:
"You can't access an intranet from the World Wide Web."
This statement highlights the important distinction between an intranet (a private network for the company) and the World Wide Web (public internet). An intranet is designed to provide secure access for employees and is typically protected from outside access, which aligns with the goal of ensuring secure collaboration.